GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
1999
🢒
LeSabre
🢒 DTC
Diagnostic Trouble Codes
Diagnostic Trouble Codes
DTC 008 RH Sunload Sensor Circuit Open or Shorted
DTC 010 Outside Temp Sensor Circuit Open/Shorted
DTC 013 Inside Temp Sensor Circuit Open/Shorted
DTC 015 LH Sunload Sensor Circuit Open or Shorted
DTC 034 Pass Control to Programmer Data Loss
DTC 035 Control Assembly to Programmer Data Loss
DTC 035 Control Assy to Programmer Loss of E and C
DTC 036 Pass Control Assy Feedback Out of Range
DTC 038 Loss of Serial Data (UART)
DTC 040 Air Mix Door Motor Circuit Open or Shorted
DTC 041 Pass Air Mix Motor Circuit Open or Shorted
DTC 052 Programmer Loss of Keep Alive Memory (KAM)
DTC 23 Left Front Actuator Position Error
DTC 24 Right Front Actuator Position Error
DTC 25 Left Rear Actuator Position Error
DTC 26 Right Rear Actuator Position Error
DTC 31 Lift/Dive Signal Error
DTC 32 Lateral Accelerator Switch Error
DTC 33 Drive Select Switch Input Error
DTC 34 Vehicle Speed Signal Error
DTC B1015 Passenger Deploy. Loop Resistance High
DTC B1016 Passenger Deployment Loop Resistance Low
DTC B1017 Passenger Deployment Loop Open
DTC B1018 Passenger Deployment Loop Short to GND
DTC B1019 Passenger Deploy. Loop Short to Voltage
DTC B1021 Driver Deployment Loop Resistance High
DTC B1022 Driver Deployment Loop Resistance Low
DTC B1024 Driver Deployment Loop Short to Ground
DTC B1025 Driver Deployment Loop Short to Voltage
DTC B1026 Driver Deployment Loop Open
DTC B1035 Discr. Sensor Closed or Short to GND
DTC B1036 Discr. Sensor Open or Short to Voltage
DTC B1051 Deployment Commanded
DTC B1053 Deployment Commanded w/Loop Malfunction
DTC B1061 Lamp Circuit Failure
DTC B1071 Internal SDM Failure
DTC C1211 ABS Indicator Lamp Circuit Malfunction
DTC C1214 Solenoid Valve Relay Contact or Coil Circuit Open
DTC C1216 Brake Control Relay Coil Circuit Open
DTC C1217 Pump Motor Relay Contact Circuit Open
DTC C1221 LF Wheel Speed Sensor Input Signal is 0
DTC C1222 RF Wheel Speed Sensor Input Signal is 0
DTC C1223 LR Wheel Speed Sensor Input Signal is 0
DTC C1224 RR Wheel Speed Sensor Input Signal is 0
DTC C1225 LF Excessive Wheel Speed Variation
DTC C1226 RF Excessive Wheel Speed Variation
DTC C1227 LR Excessive Wheel Speed Variation
DTC C1228 RR Excessive Wheel Speed Variation
DTC C1232 LF Wheel Speed Circuit Open or Shorted
DTC C1233 RF Wheel Speed Circuit Open or Shorted
DTC C1234 LR Wheel Speed Circuit Open or Shorted
DTC C1235 RR Wheel Speed Circuit Open or Shorted
DTC C1236 Low System Supply Voltage
DTC C1237 High System Supply Voltage
DTC C1238 Brake Thermal Model Exceeded
DTC C1241 Magnasteer Malfunction
DTC C1242 BPMV Pump Motor Ground Circuit Open
DTC C1243 BPMV Pump Motor Stalled
DTC C1255 EBCM/EBTCM Internal Malfunction
DTC C1256 EBCM/EBTCM Internal Malfunction
DTC C1261 LF Inlet Valve Solenoid Malfunction
DTC C1262 LF Outlet Valve Solenoid Malfunction
DTC C1263 RF Inlet Valve Solenoid Malfunction
DTC C1264 RF Outlet Valve Solenoid Malfunction
DTC C1265 LR Inlet Valve Solenoid Malfunction
DTC C1266 LR Outlet Valve Solenoid Malfunction
DTC C1267 RR Inlet Valve Solenoid Malfunction
DTC C1268 RR Outlet Valve Solenoid Malfunction
DTC C1271 LF TCS Master Cylinder Isolation Valve Malfunction
DTC C1272 LF TCS Prime Valve Malfunction
DTC C1273 RF TCS Master Cylinder Isolation Valve Malfunction
DTC C1274 RF TCS Prime Valve Malfunction
DTC C1275 Serial Data Malfunction
DTC C1276 Delivered Torque Signal Circuit Malfunction
DTC C1277 Requested Torque Signal Circuit Malfunction
DTC C1278 TCS Temporarily Inhibited By PCM
DTC C1291 Open Brake Lamp Switch Contacts During Deceleration
DTC C1293 Code C1291 Set in Previous Ignition Cycle
DTC C1294 Brake Lamp Switch Circuit Always Active
DTC C1295 Brake Lamp Switch Circuit Open
DTC P0101 Mass Air Flow (MAF) Sensor Performance
DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency
DTC P0103 Mass Air Flow (MAF) Sensor Circuit High Frequency
DTC P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage
DTC P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
DTC P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage
DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage
DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage
DTC P0121 Throttle Position (TP) Sensor Performance
DTC P0122 Throttle Position (TP) Sensor Circuit Low Voltage
DTC P0123 Throttle Position (TP)Sensor Circuit High Voltage
DTC P0125 Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control
DTC P0131 HO2S Circuit Low Voltage Sensor 1
DTC P0132 HO2S Circuit High Voltage Sensor 1
DTC P0133 HO2S Slow Response Sensor 1
DTC P0134 HO2S Circuit Insufficient Activity Sensor 1
DTC P0135 HO2S Heater Performance Sensor 1
DTC P0137 HO2S Circuit Low Voltage Sensor 2
DTC P0138 HO2S Circuit High Voltage Sensor 2
DTC P0140 HO2S Circuit Insufficient Activity Sensor 2
DTC P0141 HO2S Heater Performance Sensor 2
DTC P0171 Fuel Trim System Lean
DTC P0172 Fuel Trim System Rich
DTC P0201 Injector 1 Control Circuit
DTC P0202 Injector 2 Control Circuit
DTC P0203 Injector 3 Control Circuit
DTC P0204 Injector 4 Control Circuit
DTC P0205 Injector 5 Control Circuit
DTC P0206 Injector 6 Control Circuit
DTC P0218 Transmission Fluid Overtemperature
DTC P0230 Fuel Pump Relay Control Circuit
DTC P0300 Engine Misfire Detected
DTC P0325 Knock Sensor (KS) Circuit
DTC P0327 Knock Sensor (KS) Circuit
DTC P0332 Knock Sensor (KS) 2 Circuit
DTC P0336 Crankshaft Position (CKP) Sensor Circuit
DTC P0341 Camshaft Position (CMP) Sensor Performance
DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
DTC P0403 Exhaust Gas Recirculation (EGR) Solenoid Control Circuit
DTC P0404 Exhaust Gas Recirculation (EGR) Open Position Performance
DTC P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage
DTC P0420 Catalyst System Low Efficiency
DTC P0440 Evaporative Emission (EVAP) System
DTC P0442 Evaporative Emission (EVAP) System Small Leak Detected
DTC P0446 Evaporative Emission (EVAP) Vent System Performance
DTC P0452 Fuel Tank Pressure Sensor Circuit Low Voltage
DTC P0453 Fuel Tank Pressure Sensor Circuit High Voltage
DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low Input
DTC P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent
DTC P0506 Idle Speed Low
DTC P0507 Idle Speed High
DTC P0530 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit
DTC P0560 System Voltage
DTC P0601 Control Module Read Only Memory (ROM)
DTC P0602 Control Module Not Programmed
DTC P0705 Trans Range Switch Circuit
DTC P0706 Trans Range Switch Performance
DTC P0711 TFT Sensor Circuit Range/Performance
DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Input
DTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High Input
DTC P0716 Input Speed Sensor Circuit Intermittent
DTC P0717 Input Speed Sensor Circuit Low Input
DTC P0719 Brake Switch Circuit Low Input
DTC P0724 Brake Switch Circuit High Input
DTC P0730 Incorrect Gear Ratio
DTC P0741 TCC System Stuck Off
DTC P0742 TCC System Stuck On
DTC P0748 Pressure Control Solenoid Circuit Electrical
DTC P0751 1-2 Shift Solenoid Valve Performance
DTC P0753 1-2 Shift Solenoid Circuit Electrical
DTC P0756 2-3 Shift Solenoid Valve Performance
DTC P0758 2-3 Shift Solenoid Circuit Electrical
DTC P1106 Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage
DTC P1107 Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage
DTC P1111 Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
DTC P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
DTC P1114 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage
DTC P1115 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage
DTC P1121 Throttle Position (TP) Sensor Circuit Intermittent High Voltage
DTC P1122 Throttle Position (TP) Sensor Circuit Intermittent Low Voltage
DTC P1133 HO2S Insufficient Switching Sensor 1
DTC P1134 HO2S Transition Time Ratio Sensor 1
DTC P1257 Supercharger Engine Overboost
DTC P1336 Crankshaft Position (CKP) System Variation Not Learned
DTC P1351 Ignition Coil Control Circuit High Voltage
DTC P1352 Ignition Bypass Circuit High Voltage
DTC P1361 Ignition Control (IC) Circuit Low Voltage
DTC P1362 Ignition Bypass Circuit Low Voltage
DTC P1374 Crankshaft Position (CKP) High to Low Resolution Frequency Correlation
DTC P1380 Misfire Detected - Rough Road Data Not Available
DTC P1381 Misfire Detected - No Communication with Brake Control Module
DTC P1404 Exhaust Gas Recirculation (EGR) Closed Position Performance
DTC P1441 Evaporative Emission (EVAP) System Flow During Non-Purge
DTC P1520 Park/Neutral Position (PNP) Switch Circuit
DTC P1554 Cruise Control Feedback Circuit
DTC P1571 Traction Control Torque Request Circuit
DTC P1573 Lost Communications with Brake/Traction Control (EBTCM) System
DTC P1619 Engine Oil Life Monitor Reset Switch Circuit
DTC P1626 Theft Deterrent Fuel Enable Signal Lost
DTC P1629 Theft Deterrent Start Enable Signal Not Received
DTC P1635 5 Volt Reference Circuit
DTC P1639 5 Volt Reference 2 Circuit
DTC P1641 Air Conditioning (A/C) Clutch Relay Control Circuit
DTC P1646 Supercharger Boost Solenoid Control Circuit
DTC P1651 Cooling Fan Relay 1 Control Circuit
DTC P1652 Cooling Fan Relay 2 Control Circuit
DTC P1662 Cruise Control Inhibit Output Circuit
DTC P1665 Evaporative Emission (EVAP) Vent Solenoid Control Circuit
DTC P1667 Fuel Pump Speed Output Circuit
DTC P1671 Malfunction Indicator Lamp (MIL) Control Circuit
DTC P1676 Evaporative Emission (EVAP) Purge Solenoid Control Circuit
DTC P1689 Traction Control Delivered Torque Output Circuit
DTC P1810 TFP Valve Position Switch Circuit
DTC P1811 Maximum Adapt and Long Shift
DTC P1814 Torque Converter Overstressed
DTC P1860 TCC PWM Solenoid Circuit Electrical
DTC P1887 TCC Release Switch Circuit
DTC Table